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Digitization of natural objects with micro CT and photographs.
Takashi Ijiri1, Hideki Todo2, Akira Hirabayashi3
1College of Engineering, Shibaura Institute of Technology, Toyosu, Tokyo, Japan.
Plos One
|April 13, 2018
Summary
This study introduces a 3D digitization method combining X-ray CT and photography to capture intricate shapes and textures of natural objects like insects and plants.
Area of Science:
- * Digital imaging and 3D reconstruction.
- * Biotechnology and specimen digitization.
Background:
- * Accurate 3D digitization of natural objects presents challenges due to complex structures and surface details.
- * Existing methods may struggle to capture both external appearance and internal morphology simultaneously.
Purpose of the Study:
- * To develop a novel 3D digitization technique for natural specimens.
- * To integrate X-ray computed tomography (CT) with photographic data for comprehensive 3D models.
- * To enable visualization of both external textures and internal structures.
Main Methods:
- * Utilized X-ray CT to generate volumetric data of specimens.
- * Employed digital photography to capture surface appearance.
- * Developed algorithms for CT volume segmentation, camera pose estimation, texture projection, merging, and inpainting.
Main Results:
- * Successfully created accurate 3D textured models of insects and flowers.
- * Demonstrated the ability to capture complex 3D shapes and high-resolution surface textures.
- * Validated the technique's effectiveness in digitizing specimens with intricate geometries.
Conclusions:
- * The combined X-ray CT and photographic approach provides a powerful tool for 3D digitization.
- * This method accurately captures both external coloration and internal morphology of natural objects.
- * Enables detailed digital browsing of specimens' surface and internal features.
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